166112202027 has 4 divisors (see below), whose sum is σ = 221482936040. Its totient is φ = 110741468016.

The previous prime is 166112201989. The next prime is 166112202029. The reversal of 166112202027 is 720202211661.

166112202027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 166112202027 - 2⁶ = 166112201963 is a prime.

It is a super-3 number, since 3×166112202027³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166112201985 and 166112202003.

It is not an unprimeable number, because it can be changed into a prime (166112202029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27685367002 + ... + 27685367007.

It is an arithmetic number, because the mean of its divisors is an integer number (55370734010).

Almost surely, 2^166112202027 is an apocalyptic number.

166112202027 is a deficient number, since it is larger than the sum of its proper divisors (55370734013).

166112202027 is an equidigital number, since it uses as much as digits as its factorization.

166112202027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55370734012.

The product of its (nonzero) digits is 4032, while the sum is 30.

Adding to 166112202027 its reverse (720202211661), we get a palindrome (886314413688).

The spelling of 166112202027 in words is "one hundred sixty-six billion, one hundred twelve million, two hundred two thousand, twenty-seven".